Question

12. A man walks 7km in 0.7 hours. How fast does he walk?

Answer 1

He walks 10kph.

Steps:

So he walks 1km every 0.1 hour,

1 * 10 = 10

^

(which is 1.0 hour)

Answer 2

10 km/h

Explanation:

Speed = rate at which the man walks

= distance travelled/ time taken to travel the distance.

• Distance travelled = 7 km
• Time took = 0.7 hours

Speed = distance/time

= 7/0.7

= 70/7

= 10 km/h

Therefore, he walks at a speed of 10 km/h